CVE-2018-17777 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on D-Link DVA-5592 A1_WI_20180823 devices. If the PIN of the page "/ui/cbpc/login" is the default Parental Control PIN (0000), it is possible to bypass the login form by editing the path of the cookie "sid" generated by the page. The attacker will have access to the router control panel with administrator privileges.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dva-5592 Firmware	a1_wi_20180823
Dlink	Dva-5592	-

Related Weaknesses (CWE)

CWE-287

References

https://www.gubello.me/blog/router-dlink-dva-5592-authentication-bypass/MitigationThird Party Advisory
https://www.gubello.me/blog/router-dlink-dva-5592-authentication-bypass/MitigationThird Party Advisory

FAQ

What is CVE-2018-17777?

CVE-2018-17777 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on D-Link DVA-5592 A1_WI_20180823 devices. If the PIN of the page "/ui/cbpc/login" is the default Parental Control PIN (0000), it is possible to bypass the login form by editin...

How severe is CVE-2018-17777?

CVE-2018-17777 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2018-17777?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dva-5592 Firmware, Dlink Dva-5592.